Thomas



neer 1 sale THOMAS ,c. more, or woncEsTne, MASSACHUSETTS.

Letters Patent No. 109,157, dated November '29, 1870. l

IMPROVEMENT IN THE MANUFACTURE OF PAINTS-'- The ficheliule referred to in these Letters Patent and making part oi thesame.

To all wlibm iiiacy concern;-

en county of Worcester and State of Massachusetts,

have invented certain newand useful Improvements 'Enam ed ingredients in the following proportion:

To two gallons of coal-tar add one gallon of naphtha and two pounds of dry Venetian red; thoroughly mix the ingredients by stirring. The color produced is a dark purple The color can be varied to areddiekbros-ucrlhricb 5.

red by adding a larger proportion of vc ifitian'red.

it is necessary to use the paint soon after, mixing,

Be'it known that-I; fi lioms' GFRIGE; cf' the city as by standing 2. long time in a liquid state it has a tendency to separate and turn black.

But if laid within a. few hours after mixing, the paint quickly dries, and, whenldry, the culorremaius perma nent. I; g

In lieu of using naphtha. any equivalent substance may he used instead, that is, any snbstance'which will cut or dissolve the-oal tar.

By my invention the great objections to coal-tar as a mintarobviated. A is heretofore used the color was always black; whereas the color of my improved paint can he variedgfrcm a dark purple to a brickred'.

Having described mygifnproved paint,

and desire to secure byLet-ters Patent, is-- -netian red combined together, substantially as above described. \Vitncsses Tubs. H. Donee, r'l AQE. PEIRcn.

THOMAS nice.

What I claim thcreinas new and of myjnvention,

An improved paint, composed of coal-tar and Ve- 

